This paper describes an application of the formal engineering method SOFL (Structured-Object-based-Formal Language) to specifying a realistic railway crossing controller for potential use in industry. As the railway crossing controller is a safety critical and real-time system, this application demonstrates the capability of SOFL for developing safety-critical and real-time systems and provides a foundation for implementing such a software controller in practice. It also shows that appropriate integration of structured methods with graphical notation, formal notation, and natural language offers a good readability and traceability as well as an effective mechanism for reducing complexity of systems.


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    Title :

    Applying SOFL to specify a railway crossing controller for industry


    Contributors:
    Liu, Shaoying (author) / Asuka, M. (author) / Komaya, K. (author) / Nakamura, Y. (author)


    Publication date :

    1999


    Size :

    12 Seiten, 18 Quellen




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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